Lost interrupts on SMP systems

John Baldwin jhb at FreeBSD.org
Tue Jan 18 11:53:33 PST 2005

On Tuesday 18 January 2005 02:09 pm, Peter Trifonov wrote:
> Hello John,
> On Tuesday 18 January 2005 21:39, John Baldwin wrote:
> > > Thanks a lot!!!
> > > Now the box works perfectly!
> >
> > Excellent.  Can you try this additional change and see if it still works
> > or if it breaks things?  In past experience, ISA interrupts haven't ever
> > been programmed as level/hi, but always either edge/hi or level/lo, so I
> > want to try using lo polarity based on the ELCR as well.  (I'm trying to
> > avoid possibly breaking other boxes in the field.)
> Now it does not work. It complains about interrupt storm on IRQ 10 (xl0),
> IRQ 11 ( xl1,xl2) and IRQ 9 (ahc0). After this many errors were reported by
> the SCSI controller and the box was rebooted with old kernel.

Ok.  I won't include that change then, but I sure hope I don't break other 
systems. :-P

John Baldwin <jhb at FreeBSD.org>  <><  http://www.FreeBSD.org/~jhb/
"Power Users Use the Power to Serve"  =  http://www.FreeBSD.org

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